Update linked_list.md (#935)

There is no need to declare next
1 year ago · 1f71f6f701
parent c81d5e091b
commit 1f71f6f701
1 changed files with 2 additions and 2 deletions
--- a/docs/chapter_array_and_linkedlist/linked_list.md
+++ b/docs/chapter_array_and_linkedlist/linked_list.md
@ -152,7 +152,7 @@

    /* 构造函数 */
    ListNode *newListNode(int val) {
-        ListNode *node, *next;
+        ListNode *node;
        node = (ListNode *) malloc(sizeof(ListNode));
        node->val = val;
        node->next = NULL;
@ -618,7 +618,7 @@

    /* 构造函数 */
    ListNode *newListNode(int val) {
-        ListNode *node, *next;
+        ListNode *node;
        node = (ListNode *) malloc(sizeof(ListNode));
        node->val = val;
        node->next = NULL;